chore: record journal

.trellis/workspace/dingkang/index.md

@@ -8,8 +8,8 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 41
+- **Total Sessions**: 42
-- **Last Active**: 2026-08-24
+- **Last Active**: 2026-08-25
 <!-- @@@/auto:current-status -->
 
 ---
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~887 | Active |
+| `journal-1.md` | ~908 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 42 | 2026-08-25 | Freeze native road parity baseline | `e7bc7f8` | `experiment/road-compiler-rethink` |
 | 41 | 2026-08-24 | Use live V2X vehicle streams only | `b7031f1` | `fengshu-er-road` |
 | 40 | 2026-08-24 | Stabilize Fengshu native road compilation | `f1f829c` | `fengshu-er-road` |
 | 39 | 2026-08-18 | Complete native-only pipeline replacement | `9e0e25a` | `feature/native-road-compiler` |

.trellis/workspace/dingkang/journal-1.md

@@ -885,3 +885,24 @@ Replaced the Cesium preview's simulated vehicle route with authenticated OBU and
 ### Status
 
 [OK] **Completed**
+
+
+## Session 42: Freeze native road parity baseline
+
+**Date**: 2026-08-25
+**Task**: Freeze native road parity baseline
+**Branch**: `experiment/road-compiler-rethink`
+
+### Summary
+
+Completed and archived Phase 0: documented native-road-package/v1, added strict road parity snapshots and two valid-area baselines, excluded abandoned hanyang-block, and verified deterministic recompilation including signal regeneration.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `e7bc7f8` | (see git log) |
+
+### Status
+
+[OK] **Completed**